Grinnell Designs is a leader in costume jewelry manufacturing and product development, with a fully operational facility situated in the heart of New York's garment district.

Since its inception in 1994, Grinnell has worked with many fashion and jewelry houses, including Escada, Doncaster Collection, Bill Blass New York, Michael Kors, Isaac Mizrahi, Tommy Hilfiger, Lela Rose, Peter Som and Zac Posen, to name a few.

Armed with skilled professionals in product development, design, and production/manufacturing, Grinnell continues to supply the fashion and jewelry industries with the best quality products manufactured locally, with the option of producing large quantity/mass-market goods through its supply partners overseas.